// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/child/appcache/appcache_frontend_impl.h"

#include "base/logging.h"
#include "content/child/appcache/web_application_cache_host_impl.h"
#include "third_party/WebKit/public/web/WebConsoleMessage.h"

using blink::WebApplicationCacheHost;
using blink::WebConsoleMessage;

namespace content {

// Inline helper to keep the lines shorter and unwrapped.
inline WebApplicationCacheHostImpl* GetHost(int id)
{
    return WebApplicationCacheHostImpl::FromId(id);
}

void AppCacheFrontendImpl::OnCacheSelected(int host_id,
    const AppCacheInfo& info)
{
    WebApplicationCacheHostImpl* host = GetHost(host_id);
    if (host)
        host->OnCacheSelected(info);
}

void AppCacheFrontendImpl::OnStatusChanged(const std::vector<int>& host_ids,
    AppCacheStatus status)
{
    for (std::vector<int>::const_iterator i = host_ids.begin();
         i != host_ids.end(); ++i) {
        WebApplicationCacheHostImpl* host = GetHost(*i);
        if (host)
            host->OnStatusChanged(status);
    }
}

void AppCacheFrontendImpl::OnEventRaised(const std::vector<int>& host_ids,
    AppCacheEventID event_id)
{
    DCHECK(event_id != APPCACHE_PROGRESS_EVENT); // See OnProgressEventRaised.
    DCHECK(event_id != APPCACHE_ERROR_EVENT); // See OnErrorEventRaised.
    for (std::vector<int>::const_iterator i = host_ids.begin();
         i != host_ids.end(); ++i) {
        WebApplicationCacheHostImpl* host = GetHost(*i);
        if (host)
            host->OnEventRaised(event_id);
    }
}

void AppCacheFrontendImpl::OnProgressEventRaised(
    const std::vector<int>& host_ids,
    const GURL& url,
    int num_total,
    int num_complete)
{
    for (std::vector<int>::const_iterator i = host_ids.begin();
         i != host_ids.end(); ++i) {
        WebApplicationCacheHostImpl* host = GetHost(*i);
        if (host)
            host->OnProgressEventRaised(url, num_total, num_complete);
    }
}

void AppCacheFrontendImpl::OnErrorEventRaised(
    const std::vector<int>& host_ids,
    const AppCacheErrorDetails& details)
{
    for (std::vector<int>::const_iterator i = host_ids.begin();
         i != host_ids.end(); ++i) {
        WebApplicationCacheHostImpl* host = GetHost(*i);
        if (host)
            host->OnErrorEventRaised(details);
    }
}

void AppCacheFrontendImpl::OnLogMessage(int host_id,
    AppCacheLogLevel log_level,
    const std::string& message)
{
    WebApplicationCacheHostImpl* host = GetHost(host_id);
    if (host)
        host->OnLogMessage(log_level, message);
}

void AppCacheFrontendImpl::OnContentBlocked(int host_id,
    const GURL& manifest_url)
{
    WebApplicationCacheHostImpl* host = GetHost(host_id);
    if (host)
        host->OnContentBlocked(manifest_url);
}

// Ensure that enum values never get out of sync with the
// ones declared for use within the WebKit api

#define STATIC_ASSERT_ENUM(a, b)                              \
    static_assert(static_cast<int>(a) == static_cast<int>(b), \
        "mismatched enum: " #a)

STATIC_ASSERT_ENUM(WebApplicationCacheHost::Uncached, APPCACHE_STATUS_UNCACHED);
STATIC_ASSERT_ENUM(WebApplicationCacheHost::Idle, APPCACHE_STATUS_IDLE);
STATIC_ASSERT_ENUM(WebApplicationCacheHost::Checking, APPCACHE_STATUS_CHECKING);
STATIC_ASSERT_ENUM(WebApplicationCacheHost::Downloading,
    APPCACHE_STATUS_DOWNLOADING);
STATIC_ASSERT_ENUM(WebApplicationCacheHost::UpdateReady,
    APPCACHE_STATUS_UPDATE_READY);
STATIC_ASSERT_ENUM(WebApplicationCacheHost::Obsolete, APPCACHE_STATUS_OBSOLETE);

STATIC_ASSERT_ENUM(WebApplicationCacheHost::CheckingEvent,
    APPCACHE_CHECKING_EVENT);
STATIC_ASSERT_ENUM(WebApplicationCacheHost::ErrorEvent, APPCACHE_ERROR_EVENT);
STATIC_ASSERT_ENUM(WebApplicationCacheHost::NoUpdateEvent,
    APPCACHE_NO_UPDATE_EVENT);
STATIC_ASSERT_ENUM(WebApplicationCacheHost::DownloadingEvent,
    APPCACHE_DOWNLOADING_EVENT);
STATIC_ASSERT_ENUM(WebApplicationCacheHost::ProgressEvent,
    APPCACHE_PROGRESS_EVENT);
STATIC_ASSERT_ENUM(WebApplicationCacheHost::UpdateReadyEvent,
    APPCACHE_UPDATE_READY_EVENT);
STATIC_ASSERT_ENUM(WebApplicationCacheHost::CachedEvent, APPCACHE_CACHED_EVENT);
STATIC_ASSERT_ENUM(WebApplicationCacheHost::ObsoleteEvent,
    APPCACHE_OBSOLETE_EVENT);

STATIC_ASSERT_ENUM(WebApplicationCacheHost::ManifestError,
    APPCACHE_MANIFEST_ERROR);
STATIC_ASSERT_ENUM(WebApplicationCacheHost::SignatureError,
    APPCACHE_SIGNATURE_ERROR);
STATIC_ASSERT_ENUM(WebApplicationCacheHost::ResourceError,
    APPCACHE_RESOURCE_ERROR);
STATIC_ASSERT_ENUM(WebApplicationCacheHost::ChangedError,
    APPCACHE_CHANGED_ERROR);
STATIC_ASSERT_ENUM(WebApplicationCacheHost::AbortError, APPCACHE_ABORT_ERROR);
STATIC_ASSERT_ENUM(WebApplicationCacheHost::QuotaError, APPCACHE_QUOTA_ERROR);
STATIC_ASSERT_ENUM(WebApplicationCacheHost::PolicyError, APPCACHE_POLICY_ERROR);
STATIC_ASSERT_ENUM(WebApplicationCacheHost::UnknownError,
    APPCACHE_UNKNOWN_ERROR);

STATIC_ASSERT_ENUM(WebConsoleMessage::LevelDebug, APPCACHE_LOG_DEBUG);
STATIC_ASSERT_ENUM(WebConsoleMessage::LevelLog, APPCACHE_LOG_INFO);
STATIC_ASSERT_ENUM(WebConsoleMessage::LevelWarning, APPCACHE_LOG_WARNING);
STATIC_ASSERT_ENUM(WebConsoleMessage::LevelError, APPCACHE_LOG_ERROR);

} // namespace content
